Q
A steam pipe is to be insulated by two insulating materials put over each other . For best results__________________?
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A
A. Better insulation should be put over pipe and better one over it
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B
B. Inferior insulation should be put over pipe and better one over it
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C
C. Both may be put in any order
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D
D. Whether to put inferior oil over pipe or the better one would depend on steam temperature
Correct Answer:
A. A. Better insulation should be put over pipe and better one over it
